Petronet says no impact on Qatar LNG
Libya is an Opec member, but it was exempt from cuts; US isn't participating in self-imposed cuts
Brent futures and US WTI futures gained more than 10% from their May lows below $50/barrel
Daily change can help if marketers reduce throughput and transportation time
Energy ministers from both countries said cuts should be prolonged for 9 months
Brent crude was at $51.66 per barrel at 0410 GMT, up 82 cents, or 1.6%, from its last close
Opec seems to be encouraged by the contribution of non-Opec producers to the output cuts
US dollar recouped all of its losses against a basket of major currencies
Pressure on the Opec to extend output cuts beyond June
The WTI delivery hub in Cushing, Oklahoma, could be a particular focus in Tuesday's API data
Production cut by the Opec was failing to reduce a global supply overhang
Dollar steadied against a basket of currencies after touching a two-week low
Brent crude was down 11 cents, or 0.21%, at $51.26 per barrel
Prices have been range-bound for over 60 days on concerns of US output growth
While Opec reduced output for second month in Feb, US stockpiles have risen for 7 straight weeks
On Friday, the Brent May contract price settled at $56.31 a barrel
Rise in US inventories comes as members of the Opec and other producers have cut output
Oil prices inched higher, as investor optimism over the effectiveness of producer cuts
In the United States, rising output has helped push up crude and fuel stocks to record highs
Despite this, inventories remain bloated and supplies high, especially in the United States